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Table 2 Item analysis of the 13 MC reading items (N = 47, K = 13)

From: Exploring the validity evidence of a high-stake, second language reading test: an eye-tracking study

  Mean Std. deviation Item discrimination Corrected item-total correlation Cronbach’s alpha if item deleted
Item 1 (reference) .64 .486 .65 .459 .636
Item 2 (vocabulary) .32 .471 .26 .130 .686
Item 3 (inference) .45 .503 .33 .154 .684
Item 4 (inference) .64 .486 .34 .197 .677
Item 5 (vocabulary) .79 .414 .41 .174 .678
Item 6 (factual) .49 .505 .70 .496 .629
Item 7 (inference) .45 .503 .39 .330 .657
Item 8 (factual) .49 .505 .45 .256 .669
Item 9 (inference) .66 .479 .70 .533 .624
Item 10 (vocabulary) .81 .398 .35 .393 .650
Item 11 (factual) .83 .380 .29 .196 .674
Item 12 (negative factual) .85 .360 .35 .320 .660
Item 13 (cohesion) .55 .503 .52 .352 .653